Lungs Crossword Puzzle

QUESTIONS LIST:

• intercostal: muscles found in between the ribs which cause changes in volume during breathing.
• diaphragm: a band of muscles found at the base of the lungs which help to cause volume changes during breathing.
• epithelial: alveolar wall is made of one layer of these cells.
• endothelial: capillary wall is made of one layer of these cells.
• alveoli: specialized air sacs in the lungs, where gas exchange takes place.
• bronchi oles: tubes with smooth muscle in their walls that control air flow into the lung tissue.
• trachea: main tube delivering air into the lungs, strengthened with c-shaped rings of cartilage.
• elastic: type of tissue that helps the alveoli to stretch and recoil during breathing.